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Finding the Fourth Proportional to 529,709.59, 730,952.19 and 293,969.43

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Solution

The fourth proportional to 529,709.59, 730,952.19 and 293,969.43 is: 405,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,709.59 : 730,952.19 = 293,969.43 : x
  2. Step 2: Convert to fraction form
    529,709.59/730,952.19 = 293,969.43/x
  3. Step 3: Cross multiply
    529,709.59x = 730,952.19 × 293,969.43
  4. Step 4: Simplify right side
    529,709.59x = 214,877,598,651.55
  5. Step 5: Solve for x
    x = 214,877,598,651.55/529,709.59
  6. Step 6: Final answer
    x = 405,651.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.